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Thread: Load balancing and IPv6

  1. #1
    Junior Member
    Join Date
    Aug 2011
    Posts
    16

    Load balancing and IPv6

    Hi there,


    Actually I'm Using load balancing with a Intel 1000/pro dual Network-interface. It works pretty good with IPv4 and my home-router without a managed switch, but I get this strange message after the booting process.

    Apr 26 12:56:40 Server kernel: in6_ifadd: 2002:4d17:aa5d:0:215:17ff:fe8f:fe4e is already configured
    Apr 26 12:56:41 Server ntpd[1971]: bind() fd 30, family 28, port 123, scope 0, addr 2002:4d17:aa5d:0:215:17ff:fe8f:fe4e, in6_is_addr_multicast=0 flags=0x11 fails: Can't assign requested address
    Apr 26 12:56:41 Server ntpd[1971]: unable to create socket on lagg0 (9) for 2002:4d17:aa5d:0:215:17ff:fe8f:fe4e#123
    Apr 26 12:56:42 Server kernel: lagg0: DAD detected duplicate IPv6 address 2002:4d17:aa5d:0:215:17ff:fe8f:fe4e: NS in/out=1/1, NA in=0
    Apr 26 12:56:42 Server kernel: lagg0: DAD complete for 2002:4d17:aa5d:0:215:17ff:fe8f:fe4e - duplicate found
    Apr 26 12:56:42 Server kernel: lagg0: manual intervention required


    What can I do that this massage doesn't exist anymore? How can I fix this IPv6 double Address assignment?

    Any Ideas

    kind regards, phiku

  2. #2
    Senior Member
    Join Date
    Aug 2011
    Location
    Portland, OR area
    Posts
    420
    Is that v6 IP already assigned to another interface? If so, which one? Is it a component in the lagg?
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    Louis Kowolowski louisk@cryptomonkeys.org
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